How to investigate a bug in /bin/mkshortcut.exe ?

[Regid Ichira <regid23 at yahoo dot com>]

  /etc/postinstall/mintty.sh's exit code is 127.

    $ cat /etc/postinstall/mintty.sh
    PROGS=$(/bin/cygpath -P $CYGWINFORALL)
    /bin/mkdir -p "$PROGS/Cygwin" &&
    cd "$PROGS/Cygwin" &&
    /bin/mkshortcut -n mintty /bin/mintty -a - -d "Cygwin Terminal"

By running those commands manually, I think the problem is the last,
/bin/mkshortcut, line.  How can I investigate it more?

    $ cygcheck -f /bin/mkshortcut.exe
    cygutils-1.4.6-1

    $ file /bin/mkshortcut.exe
    /bin/mkshortcut.exe: PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows

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